Appointed counsel and other service providers must itemize each expense for which reimbursement is claimed on each calendar day of travel. Supporting documentation (e.g., receipts, canceled checks) must be provided, where practical, for all travel expenses and for any other expense in excess of $50. [Instructions to the CJA Forms 20 (Items 17 - 18), 21 (Item 16), 30 (Items 16 - 17), and 31 (Item 16)]